balloon greenhouse
21Satellite temperature measurements — have been obtained from the troposphere since 1978. By comparison, the usable balloon (radiosonde) record begins in 1958.Satellites do not measure temperature as such. They measure radiances in various wavelength bands, which must then be… …
22building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
23Atmosphere of Earth — Air redirects here. For other uses, see Air (disambiguation). Qualities of air redirects here. It is not to be confused with Air quality …
24Aviation — This article is about aircraft. For the cocktail, see Aviation (cocktail) . Aviation NASA Gulfstream V C 37A …
25performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
26technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
27Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) …
28Oregon Petition — The Global Warming Petition Project, usually referred to as the Oregon Petition, is a petition opposing the Kyoto Protocol and similar efforts to mitigate climate change. It was organized by the Oregon Institute of Science and Medicine (OISM), a… …
29Dates of 2004 — ▪ 2005 January It turns out we were all wrong, probably, in my judgment. David Kay, former U.S. chief weapons inspector in Iraq, in testimony to the U.S. Senate Armed Services Committee, January 28 January 1 Haitian Pres. Jean… …
30Dates of 2005 — ▪ 2006 January This is a unique case of a people under occupation being asked to hold free and fair elections when they themselves are not free.… It s an important internal test, and I think it s a turning point. Palestinian legislator Hanan… …
